<?php
/**
 * These helpful tests were lifted from the Symfony library
 * https://github.com/symfony/http-foundation/blob/master/LICENSE
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
use SilverStripe\Control\Util\IPUtils;

class IPUtilsTest extends SapphireTest {
	/**
	 * @dataProvider testIPv4Provider
	 */
	public function testIPv4($matches, $remoteAddr, $cidr)
	{
		$this->assertSame($matches, IPUtils::checkIP($remoteAddr, $cidr));
	}

	public function testIPv4Provider()
	{
		return array(
			array(true, '192.168.1.1', '192.168.1.1'),
			array(true, '192.168.1.1', '192.168.1.1/1'),
			array(true, '192.168.1.1', '192.168.1.0/24'),
			array(false, '192.168.1.1', '1.2.3.4/1'),
			array(false, '192.168.1.1', '192.168.1.1/33'), // invalid subnet
			array(true, '192.168.1.1', array('1.2.3.4/1', '192.168.1.0/24')),
			array(true, '192.168.1.1', array('192.168.1.0/24', '1.2.3.4/1')),
			array(false, '192.168.1.1', array('1.2.3.4/1', '4.3.2.1/1')),
			array(true, '1.2.3.4', '0.0.0.0/0'),
			array(true, '1.2.3.4', '192.168.1.0/0'),
			array(false, '1.2.3.4', '256.256.256/0'), // invalid CIDR notation
			array(false, 'an_invalid_ip', '192.168.1.0/24'),
		);
	}

	/**
	 * @dataProvider testIPv6Provider
	 */
	public function testIPv6($matches, $remoteAddr, $cidr)
	{
		if (!defined('AF_INET6')) {
			$this->markTestSkipped('Only works when PHP is compiled without the option "disable-ipv6".');
		}

		$this->assertSame($matches, IPUtils::checkIP($remoteAddr, $cidr));
	}

	public function testIPv6Provider()
	{
		return array(
			array(true, '2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65'),
			array(false, '2a00:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65'),
			array(false, '2a01:198:603:0:396e:4789:8e99:890f', '::1'),
			array(true, '0:0:0:0:0:0:0:1', '::1'),
			array(false, '0:0:603:0:396e:4789:8e99:0001', '::1'),
			array(true, '2a01:198:603:0:396e:4789:8e99:890f', array('::1', '2a01:198:603:0::/65')),
			array(true, '2a01:198:603:0:396e:4789:8e99:890f', array('2a01:198:603:0::/65', '::1')),
			array(false, '2a01:198:603:0:396e:4789:8e99:890f', array('::1', '1a01:198:603:0::/65')),
			array(false, '}__test|O:21:&quot;JDatabaseDriverMysqli&quot;:3:{s:2', '::1'),
			array(false, '2a01:198:603:0:396e:4789:8e99:890f', 'unknown'),
		);
	}

	/**
	 * @expectedException \RuntimeException
	 * @requires extension sockets
	 */
	public function testAnIPv6WithOptionDisabledIPv6()
	{
		if (defined('AF_INET6')) {
			$this->markTestSkipped('Only works when PHP is compiled with the option "disable-ipv6".');
		}

		IPUtils::checkIP('2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65');
	}
}